[Bug 1127867] [mdadm/precise] verification still needed

[Ubuntu Foundations Team Bug Bot]

The fix for this bug has been awaiting testing feedback in the -proposed
repository for precise for more than 90 days.  Please test this fix and
update the bug appropriately with the results.  In the event that the
fix for this bug is still not verified 15 days from now, the package
will be removed from the -proposed repository.

** Tags added: removal-candidate

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https://bugs.launchpad.net/bugs/1127867

Title:
  /etc/udev/rules.d/65-mdadm.vol_id.rules uses non-existent 'vol_id'

Status in “mdadm” package in Ubuntu:
  Fix Released
Status in “mdadm” source package in Lucid:
  Confirmed
Status in “mdadm” source package in Oneiric:
  Confirmed
Status in “mdadm” source package in Precise:
  Fix Committed
Status in “mdadm” source package in Quantal:
  Fix Committed
Status in “mdadm” source package in Raring:
  Fix Released

Bug description:
  [Impact]

   * In Lucid, /etc/udev/rules.d/65-mdadm.vol_id.rules conffile was
  dropped, but not properly removed in the preinst scripts. Later a
  conffile removal was added, but it had a wrong file name.

   * Causes errors to be printed on boot.

   * The fix is to properly remove this conffile.... all the until next
  LTS.

  [Test Case]

   * Install mdadm package in Hardy, upgrade to precise, observe that
  the conffile is not removed.

   * Upgrading to raring/SRU'ed package should remove this conffile.

  [Regression Potential]

   * Minimal as the conffile in question should not be used at boot.

  [Original Description]

  After upgrading a server from 10.04 to 12.04 I saw errors on boot about udev trying to use a non-existent vol_id:
  failed to execute '/lib/udev/vol_id' 'vol_id --export /dev/md0': No such file or directory

  I tracked this down to the following line in /etc/udev/rules.d/65-mdadm.vol_id.rules:
  IMPORT{program}="vol_id --export $tempnode"

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=541884 mentions this issue and says that we should be using '/sbin/blkid -o udev -p ...' instead. Indeed, checking /lib/udev/rules.d/64-md-raid.rules, it has:
  IMPORT{program}="/sbin/blkid -o udev -p $tempnode"

  I then updated /etc/udev/rules.d/65-mdadm.vol_id.rules to use this
  instead, and the errors went away.

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